Interior Exterior Angles of Polygons

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9

• 11

• 13

• 7

Find the measure of angle K.

• 9

• 97°

• 48°

• 79°

Solve for x. 

• 12

• 10

• 25

• 5

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°

• 1080°

• 600°

• 540°

What is the sum of the measures of the interior angles of a pentagon?

(a)  

What is the sum of the measures of the interior angles of a 27-gon?

(a)  

What is the measure of EACH interior angle of a regular octagon?

(a)  

What is the measure of each interior angle of a regular 20-gon?

(a)  

Five angles of a hexagon measure 119 degrees, 129 degrees, 104 degrees, 139 degrees, and 95 degrees. What is the measure of the sixth angle?

(a)  

The sum of the interior angles of a polygon is 1620 degrees. How many sides does the polygon have?

(a)